linearrepresentation of them would be im-possible. (211.) From the foregoing, we learn that the positions of Mean andall the stars are affected by aberration, precession, and nuta- apparenttion; the amount for each cause is very trifling in itself, yet, starin most cases, too great to be neglected,… … 226 ASTRONOMY. Chap. vii. and its mean place from its apparent place, is one of the most troublesome problems in practical astronomy.General for- The mean place of a fixed star, reduced to the time of ob- mulee, where . . ~, . , . , found. servation, is sumciently near its apparent place to be con-…
Astronomy
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